1066240264 has 16 divisors (see below), whose sum is σ = 1999872720. Its totient is φ = 532940880.

The previous prime is 1066240249. The next prime is 1066240267. The reversal of 1066240264 is 4620426601.

It is a super-2 number, since 2×1066240264² = 2273736601149579392, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1066240267) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4819 + ... + 46429.

It is an arithmetic number, because the mean of its divisors is an integer number (124992045).

Almost surely, 2^1066240264 is an apocalyptic number.

It is an amenable number.

1066240264 is a deficient number, since it is larger than the sum of its proper divisors (933632456).

1066240264 is a wasteful number, since it uses less digits than its factorization.

1066240264 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44820 (or 44816 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 31.

The square root of 1066240264 is about 32653.3346536001. The cubic root of 1066240264 is about 1021.6097432182.

Adding to 1066240264 its reverse (4620426601), we get a palindrome (5686666865).

The spelling of 1066240264 in words is "one billion, sixty-six million, two hundred forty thousand, two hundred sixty-four".